DE3683894D1 - OPTICAL AMPLIFIER. - Google Patents

OPTICAL AMPLIFIER.

Info

Publication number
DE3683894D1
DE3683894D1 DE8686115117T DE3683894T DE3683894D1 DE 3683894 D1 DE3683894 D1 DE 3683894D1 DE 8686115117 T DE8686115117 T DE 8686115117T DE 3683894 T DE3683894 T DE 3683894T DE 3683894 D1 DE3683894 D1 DE 3683894D1
Authority
DE
Germany
Prior art keywords
optical amplifier
amplifier
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8686115117T
Other languages
German (de)
Inventor
Elias Snitzer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SDL Inc
Original Assignee
Polaroid Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of DE3683894D1 publication Critical patent/DE3683894D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083—Ring lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Semiconductor Lasers (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Optical Communication System (AREA)
DE8686115117T 1985-11-27 1986-10-31 OPTICAL AMPLIFIER. Expired - Fee Related DE3683894D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/802,369 US4712075A (en) 1985-11-27 1985-11-27 Optical amplifier

Publications (1)

Publication Number Publication Date
DE3683894D1 true DE3683894D1 (en) 1992-03-26

Family

ID=25183522

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686115117T Expired - Fee Related DE3683894D1 (en) 1985-11-27 1986-10-31 OPTICAL AMPLIFIER.

Country Status (5)

Country Link
US (1) US4712075A (en)
EP (1) EP0224070B1 (en)
JP (1) JPH07120828B2 (en)
CA (1) CA1253943A (en)
DE (1) DE3683894D1 (en)

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US5017885A (en) * 1984-05-10 1991-05-21 At&T Bell Laboratories Optical amplifier with reduced nonlinearity
AU584739B2 (en) * 1985-08-13 1989-06-01 British Technology Group Limited Optical fibres
KR0126142B1 (en) * 1988-04-01 1997-12-26 . Broadband optical fiber laser
GB2219127A (en) * 1988-05-27 1989-11-29 Stc Plc Lasers and optical amplifiers
DE68909704T2 (en) * 1988-07-20 1994-02-03 American Telephone & Telegraph Optical amplifier with reduced non-linearity.
JPH02135323A (en) * 1988-11-16 1990-05-24 Nippon Telegr & Teleph Corp <Ntt> Optical ring resonator
JP2659234B2 (en) * 1988-12-12 1997-09-30 日本電信電話株式会社 Optical soliton transmission method
GB2230912B (en) * 1989-04-22 1993-10-20 Stc Plc Optical amplifier gain control
CA2019253C (en) * 1989-06-23 1994-01-11 Shinya Inagaki Optical fiber amplifier
US4963832A (en) * 1989-08-08 1990-10-16 At&T Bell Laboratories Erbium-doped fiber amplifier coupling device
JP3137632B2 (en) * 1989-08-31 2001-02-26 富士通株式会社 Optical communication system with optical fiber amplifier
GB2236426B (en) * 1989-09-20 1994-01-26 Stc Plc Laser source
IT1236632B (en) * 1989-10-24 1993-03-25 Pirelli Cavi Spa AMPLIFIER FOR FIBER OPTIC TELECOMMUNICATIONS LINES AND FIBER OPTIC TELECOMMUNICATIONS LINES INCORPORATING SAID AMPLIFIER
IT1237135B (en) * 1989-10-30 1993-05-24 Pirelli Cavi Spa LOW NOISE OPTICAL AMPLIFICATION GROUP, WITH REFLECTION OF THE PUMPING POWER.
IT1237980B (en) * 1990-02-12 1993-06-19 Pirelli Cavi Spa CURVED SINGLE-MODE ACTIVE FIBER OPTICAL AMPLIFIER
JP2789830B2 (en) * 1991-01-25 1998-08-27 沖電気工業株式会社 Optical amplifier
US5128801A (en) * 1991-01-30 1992-07-07 Corning Incorporated Integrated optical signal amplifier
US5088095A (en) * 1991-01-31 1992-02-11 At&T Bell Laboratories Gain stabilized fiber amplifier
DE4106778A1 (en) * 1991-03-04 1992-09-10 Standard Elektrik Lorenz Ag OPTICAL-ELECTRIC CONVERTER WITH EXTENDED DYNAMICS
US5268786A (en) * 1991-03-15 1993-12-07 Mitsubishi Denki Kabushiki Kaisha Optical fiber amplifier and its amplification method
JP3181663B2 (en) * 1992-03-04 2001-07-03 富士通株式会社 1.3μm band optical amplifier
EP0630531A1 (en) * 1992-03-13 1994-12-28 Raychem Corporation Ring laser pumped optical amplifier
US6693736B1 (en) 1992-09-10 2004-02-17 Fujitsu Limited Optical circuit system and components of same
WO1994006052A1 (en) * 1992-09-10 1994-03-17 Fujitsu Limited Optical circuit system and its constituents
US5251062A (en) * 1992-10-15 1993-10-05 Bell Communications Research, Inc. Tellurite glass and fiber amplifier
US5349602A (en) * 1993-03-15 1994-09-20 Sdl, Inc. Broad-area MOPA device with leaky waveguide beam expander
KR100317452B1 (en) * 1996-12-31 2002-02-19 이정태 Feedback-type heterogeneous pumping optical fiber amplifier
WO1998032199A1 (en) * 1997-01-21 1998-07-23 Molecular Optoelectronics Corporation Optical waveguide amplifier
US5815309A (en) * 1997-01-21 1998-09-29 Molecular Optoelectronics Corporation Optical amplifier and process for amplifying an optical signal propagating in a fiber optic
US7656578B2 (en) 1997-03-21 2010-02-02 Imra America, Inc. Microchip-Yb fiber hybrid optical amplifier for micro-machining and marking
US7576909B2 (en) 1998-07-16 2009-08-18 Imra America, Inc. Multimode amplifier for amplifying single mode light
AU1997399A (en) * 1998-02-20 1999-09-06 Molecular Optoelectronics Corporation Optical amplifier and process for amplifying an optical signal propagating in a fiber optic employing an overlay waveguide and stimulated emission
US6198569B1 (en) 1998-02-20 2001-03-06 Molecular Optoelectronics Corporation Multiple window dense wavelength divison multiplexed communications link with optical amplification and dispersion compensation
US6270604B1 (en) 1998-07-23 2001-08-07 Molecular Optoelectronics Corporation Method for fabricating an optical waveguide
US6236793B1 (en) 1998-09-23 2001-05-22 Molecular Optoelectronics Corporation Optical channel waveguide amplifier
US6275512B1 (en) 1998-11-25 2001-08-14 Imra America, Inc. Mode-locked multimode fiber laser pulse source
US6208456B1 (en) 1999-05-24 2001-03-27 Molecular Optoelectronics Corporation Compact optical amplifier with integrated optical waveguide and pump source
US6636675B2 (en) 2001-03-12 2003-10-21 Verrillon, Inc. Optical fiber with reduced cladding-mode loss
US6836357B2 (en) * 2001-10-04 2004-12-28 Gazillion Bits, Inc. Semiconductor optical amplifier using laser cavity energy to amplify signal and method of fabrication thereof
GB0520853D0 (en) * 2005-10-14 2005-11-23 Gsi Lumonics Ltd Optical fibre laser
US20070189351A1 (en) * 2006-02-15 2007-08-16 Northrop Grumman Corporation Liquid laser with colloidal suspension of lasant nanoparticles
JP5512348B2 (en) * 2010-03-29 2014-06-04 株式会社フジクラ Optical fiber for amplification with optical components, and fiber laser device using the same
US9025239B2 (en) * 2011-12-13 2015-05-05 Ofs Fitel, Llc Multi-core erbium-doped fiber amplifier
WO2013090549A2 (en) * 2011-12-13 2013-06-20 Ofs Fitel, Llc Multi-core erbium-doped fiber amplifier

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US4044315A (en) * 1962-01-16 1977-08-23 American Optical Corporation Means for producing and amplifying optical energy
US3355674A (en) * 1962-06-27 1967-11-28 Ibm Optical fiber laser device
US3270290A (en) * 1962-10-19 1966-08-30 Corning Glass Works Neodymium glass laser having an output at about 9180 a.
US3284722A (en) * 1963-03-22 1966-11-08 Rca Corp Light coupling device
US3408131A (en) * 1963-11-13 1968-10-29 Optics Technology Inc Apparatus for coupling and amplfying light between optical fibers
US3599106A (en) * 1968-11-06 1971-08-10 American Optical Corp High intensity-high coherence laser system
US3611188A (en) * 1969-05-19 1971-10-05 American Optical Corp Ytterbium laser device
US3825500A (en) * 1971-03-10 1974-07-23 American Optical Corp Neodymium glass laser having room temperature output at wavelengths shorter than 1060 nm
US3711787A (en) * 1971-03-10 1973-01-16 American Optical Corp Neodymium glass laser having room temperature output at wavelengths shorter than 1,060 nm
US3753145A (en) * 1972-06-26 1973-08-14 Bell Telephone Labor Inc Compact end-pumped solid-state laser
JPS579041B2 (en) * 1974-11-29 1982-02-19
US4162460A (en) * 1976-05-26 1979-07-24 Agency Of Industrial Science & Technology Optical circuit element
US4225826A (en) * 1978-02-03 1980-09-30 The University Of Rochester Laser apparatus
US4364014A (en) * 1978-03-30 1982-12-14 Gray Richard W Optical modulator
US4510604A (en) * 1980-10-10 1985-04-09 Westinghouse Electric Corp. Operation of a two-photon three level laser
US4515431A (en) * 1982-08-11 1985-05-07 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4553238A (en) * 1983-09-30 1985-11-12 The Board Of Trustees Of The Leland Stanford University Fiber optic amplifier
DE3344599C1 (en) * 1983-12-09 1985-01-24 TCH Thermo-Consulting-Heidelberg GmbH, 6900 Heidelberg Resorption heat converter system
GB2151869B (en) * 1983-12-16 1986-12-31 Standard Telephones Cables Ltd Optical amplifiers
JPH0646664A (en) * 1992-07-30 1994-02-22 Mitsubishi Agricult Mach Co Ltd Controller of grain-grading section in thresher

Also Published As

Publication number Publication date
EP0224070A3 (en) 1988-06-08
EP0224070A2 (en) 1987-06-03
CA1253943A (en) 1989-05-09
JPS62143488A (en) 1987-06-26
US4712075A (en) 1987-12-08
EP0224070B1 (en) 1992-02-12
JPH07120828B2 (en) 1995-12-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SDL, INC., SAN JOSE, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: HOFFMANN, E., DIPL.-ING., PAT.-ANW., 82166 GRAEFELFING

8339 Ceased/non-payment of the annual fee